extrarenalWiktionary 原文英美构词拆解extraextra-前缀renalrenal词干extra-Outside of, beyond.词源说明From extra- + renal.释义形容词adjective1(anatomy, medicine) Outside a kidney; outside but near or abutting a kidney.2(medicine, of filtration) Outside the kidneys, being accomplished otherwise.同族词相关词 2postrenal·